Michael reconnects with his mentor and offers to help go after a drug cartel in exchange for visitation privileges with Fiona. Meanwhile, Fiona leans on a new friend for help fending off a gang leader in prison.

Pearce asks for Michael's help going after the man who killed her fiancé, but the task turns tricky when they find out the killer is a CIA asset. Also: Fiona investigates the attempt on her life and plans to meet with a well-connected smuggler.